By using matlab,
for IC 1, we get
CA(t) =
CB(t) =
for IC 2 we get,
CA(t) =
CB(t) =
The output images are shown below
The code is
syms A(t) B(t)
>> ode1= diff(A)==0.00005*B-0.001*A;
>> ode2= diff(B)==0.001*A-0.00005*B;
>> odes(t)=[ode1,ode2];
>> odes(t)=[ode1;ode2];
>> cond1= A(0)==0.5;
>> cond2= B(0)==0;
>> cond3 = A(0)== 0.5;
>> cond4= B(0)==0.2;
>> conds=[cond1;cond2];
>> [usol(t),vsol(t)]=dsolve(odes,conds)
usol(t) =
(10*exp(-(21*t)/20000))/21 + 1/42
vsol(t) =
10/21 - (10*exp(-(21*t)/20000))/21
>> conds1=[cond3;cond4];
>> [Asol(t),Bsol(t)]=dsolve(odes,conds1)
Asol(t) =
(7*exp(-(21*t)/20000))/15 + 1/30
Bsol(t) =
2/3 - (7*exp(-(21*t)/20000))/15
For a constant volume batch reactor, solve for the temporal concentration profiles, e.g. CA(t) and CB(t)...
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